China is practicing “dogfighting” satellites as part of its expanding capabilities in space, according to the United States Space Force, which warned that Washington’s key rivals are closing the technology gap as space becomes increasingly critical to security on Earth.

China's experimental Shiyan satellite program has long been the source of speculation, especially as the country's rivalry with the US grows.

According to the US Treasury Department, for the first time, the United States has imposed restrictions on China for purchasing oil subject to US sanctions. The sanctions were imposed on the Chinese petrochemical refinery Shandong Shouguang Luqing,

The U.S. on Thursday issued new sanctions intended to hit Iran's oil exports, including what the State Department said were the first U.S. measures targeting a Chinese "teapot refinery" processing the crude.

Washington has issued new Iran-related sanctions, including a Chinese "teapot," or independent refiner, and vessels that supply oil.